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Jetting Database
Posted: Mon Apr 09, 2007 5:22 am
by crfsonly
Please keep other info out of this thread. Only answer the questions. Copy and paste to keep format uniform.
Year:
Elevation:
Temperature Range:
Airbox Modified Top:
Backfire Screen:
Air Filter:
Pilot Jet:
Main Jet:
Needle:
Needle Clip Position:
Fuel Screw Type:
Fuel Screw Setting:
Exhaust Type:
Exhaust Modified:
Posted: Mon Apr 09, 2007 6:32 am
by krisrtch
Year: 2007
Elevation: -10ft to 50ft above sea level
Temperature Range:55 to 95
Airbox Modified Top: snorkle removed
Backfire Screen:still in
Air Filter: Twin air dual stage
Pilot Jet:stock 42
Main Jet: 132
Needle: Honda power up needle
Needle Clip Position: 3rd
Fuel Screw Type: CRF's only
Fuel Screw Setting: 1.75 out
Exhaust Type: stock
Exhaust Modified: baffle removed
Posted: Mon Apr 09, 2007 1:28 pm
by gal8x
Year: 2006
Elevation: 130ft
Temperature Range: 55-98
Airbox Modified Top: no snorkel or snorkel ring, SLP Flow-Rite Intake Kit
Backfire Screen: yes
Air Filter: Uni
Pilot Jet: 48
Main Jet: 132, Honda part # 99113-GHB-1320
Needle: power up, Honda part #16012-KPS-921
Needle Clip Position: middle
Fuel Screw Type: Kouba [Crf’s Only]
Fuel Screw Setting: still playing with this
Exhaust Type: T-4 Pro Circuit
Exhaust Modified: no spark arrester.
Posted: Mon Apr 09, 2007 5:01 pm
by mr50
Year: 2007
Elevation: 500 above sea level
Temperature Range: 55-95
Airbox Modified Top: none
Backfire Screen: still there
Air Filter: stock
Pilot Jet: stock
Main Jet: stock
Needle: stock
Needle Clip Position: stock
Fuel Screw Type: stock
Fuel Screw Setting: stock
Exhaust Type:stock
Exhaust Modified : stock
Posted: Tue Apr 10, 2007 4:56 am
by Aussiecrf230
Year: 2004
Elevation: 0-500 feet
Temperature Range: 60 to 100 deg F
Airbox Modified Top: Snorkel removed
Backfire Screen: In
Air Filter: Standard
Pilot Jet: 42
Main Jet: 132 winter 128 summer
Needle: C30F Full Power Needle
Needle Clip Position: 3
Fuel Screw Type: Standard
Fuel Screw Setting: 15/8
Exhaust Type: Standard
Exhaust Modified: Baffle out, spark arrestor in
Posted: Tue Apr 10, 2007 5:07 pm
by JohnnyT
Year: 04
Elevation: 6k to 7.5k
Temperature Range: 40 to 100
Airbox Modified Top: Snorkel removed
Backfire Screen: In
Air Filter: Twin Air
Pilot Jet: 42
Main Jet: 115
Needle: Power-up
Needle Clip Position: 2nd from top
Fuel Screw Type: CRF's only
Fuel Screw Setting: 1 1/2
Exhaust Type: Stock
Exhaust Modified: Baffle Removed
Posted: Thu Apr 12, 2007 4:21 am
by Socrates
Year: 2006
Elevation: 900
Temperature Range: 45 - 90
Airbox Modified Top: snorkel removed
Backfire Screen: yes
Air Filter: Uni
Pilot Jet: 45
Main Jet: 132, Honda part # 99113-GHB-1320
Needle: power up, Honda part #16012-KPS-921
Needle Clip Position: middle
Fuel Screw Type: Crf’s Only Fuel Screw
Fuel Screw Setting: between 1 1/2 & 3/4 out
Exhaust Type: T-4 Pro Circuit
Exhaust Modified: no
Posted: Tue Apr 17, 2007 1:14 pm
by 13slick13
Year: 2006
Elevation:400-600
Temperature Range: -60 to 80F 40-80F when i ride.
Airbox Modified Top: snorkel removed
Backfire Screen: in
Air Filter: K&N
Pilot Jet: stock 42
Main Jet: 132
Needle: C30f full power needle
Needle Clip Position: middle
Fuel Screw Type: stock
Fuel Screw Setting: 1 3/4 out.
Exhaust Type: stock
Exhaust Modified: baffle out
Posted: Mon Jun 25, 2007 11:34 am
by JohnnyT
Year: 04
Elevation: 5000 - 9500ft.
Temperature Range: 40-95F
Airbox Modified Top: snorkel removed
Backfire Screen: in
Air Filter: Twin Air
Pilot Jet: 42
Main Jet: 102
Needle: stock
Needle Clip Position: 2nd from top
Fuel Screw Type: CRF's fuel screw
Fuel Screw Setting: 2 turns out
Exhaust Type: Stock/No Baffle
Exhaust Modified: none
[quote][/quote]
Posted: Tue Jun 26, 2007 6:59 pm
by 230@#)
Year:2004
Elevation:330m
Temperature Range:15-30 C
Airbox Modified Top:snorkel removed
Backfire Screen:untouched
Air Filter:stock
Pilot Jet:stock
Main Jet:stock
Needle:stock
Needle Clip Position:stock
Fuel Screw Type:stock
Fuel Screw Setting:stock
Exhaust Type:stock
Exhaust Modified:baffel removed
Posted: Sat Aug 11, 2007 10:41 am
by jtcohenour
Year: 2006
Elevation: 2000ft
Temperature Range: 40-110
Airbox Modified Top: Snorkel Removed
Backfire Screen: Still In
Air Filter: Uni
Pilot Jet: 45
Main Jet: 135
Needle: Honda Power-Up C30F
Needle Clip Position: Middle
Fuel Screw Type: CRF's Only
Fuel Screw Setting: Still Fine Tuning with new exhaust
Exhaust Type: Dr. D
Exhaust Modified:
Posted: Wed Oct 03, 2007 7:00 pm
by RedneckDriver
Year: 2007
Elevation: about 300-1200 ft
Temperature Range: 30F+
Airbox Modified Top: snorkle out, grommet in
Backfire Screen: in
Air Filter: K&N
Pilot Jet: #48
Main Jet: #132
Needle: stock
Needle Clip Position: stock
Fuel Screw Type: stock
Fuel Screw Setting: between 1.5 and 1.75 turns out
Exhaust Type: White Bros R4
Exhaust Modified: no
Posted: Fri Mar 28, 2008 3:41 pm
by Riley
Year: 2007
Elevation: 5,000'+
Temperature Range: 40-100*F
Airbox Modified Top: Snorkel/grommet removed
Backfire Screen: Stock
Air Filter: Stock
Pilot Jet: Stock(42)
Main Jet: 125
Needle: Power UP
Needle Clip Position: Middle
Fuel Screw Type: Stock
Fuel Screw Setting: Stock
Exhaust Type: Stock
Exhaust Modified: Baffle removed
Posted: Fri Mar 28, 2008 5:54 pm
by heybuddy1901
Year: 2004
Elevation: 0'-3000'
Temperature Range: 35-110 F*
Airbox Modified Top: Snorkel Removed/Left the Lip
Backfire Screen: Stock/Unmodified
Air Filter: UNI
Pilot Jet: 45
Main Jet: 120
Needle: Stock '03-'05
Needle Clip Position: 4th clip down
Fuel Screw Type: Stock
Fuel Screw Setting: 1.75 turns OUT
Exhaust Type: BBR
Exhaust Modified: Spark Arrestor IN
Posted: Sun Jun 22, 2008 7:17 am
by NCFRC
Year:2005
Elevation:0-2000 ft.
Temperature Range:50-80
Airbox Modified Top:yes
Backfire Screen:yes
Air Filter:UNI
Pilot Jet:45
Main Jet:135
Needle:Honda power up
Needle Clip Position:4th
Fuel Screw Type:stk
Fuel Screw Setting:1 3/4
Exhaust Type:Powroll header with Mod can core
Exhaust Modified:yes
Stk 9:1 now , Wiseco 11:1 here to install
NGK - VX platinum , nice light tan
Final gearing , 13 / 52 , DID Race Chain
13 year old rider